Base | Representation |
---|---|
bin | 1011011011111111001101 |
3 | 12122022210020 |
4 | 23123333031 |
5 | 1231420341 |
6 | 144132353 |
7 | 34325112 |
oct | 13337715 |
9 | 5568706 |
10 | 2998221 |
11 | 1768676 |
12 | 10070b9 |
13 | 80c8c5 |
14 | 580909 |
15 | 3e3566 |
hex | 2dbfcd |
2998221 has 8 divisors (see below), whose sum is σ = 4105824. Its totient is φ = 1944720.
The previous prime is 2998217. The next prime is 2998231. The reversal of 2998221 is 1228992.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2998221 - 22 = 2998217 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2998201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13395 + ... + 13616.
It is an arithmetic number, because the mean of its divisors is an integer number (513228).
22998221 is an apocalyptic number.
It is an amenable number.
2998221 is a deficient number, since it is larger than the sum of its proper divisors (1107603).
2998221 is a wasteful number, since it uses less digits than its factorization.
2998221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27051.
The product of its digits is 5184, while the sum is 33.
The square root of 2998221 is about 1731.5371783476. The cubic root of 2998221 is about 144.1964429272.
It can be divided in two parts, 29982 and 21, that added together give a palindrome (30003).
The spelling of 2998221 in words is "two million, nine hundred ninety-eight thousand, two hundred twenty-one".
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